Swing seat



FIG. 1 is a front view of a swing seat showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Any broken line showing of the connecting components is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a swing seat, as shown and described. 